Title

Terminal Services / Remote Desktop Services - Local drives prevented from sharing with Terminal Servers (Terminal Server Role). (Cat II impact)

Discussion

This check verifies that the system is configured to prevent users from sharing the local drives on their client computers to Terminal Servers that they access.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows NT\Terminal Services\ Value Name: fDisableCdm Type: REG_DWORD Value: 1

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services -> Terminal Server -> Device and Resource Redirection “Do not allow drive redirection” to “Enabled”.

Additional Identifiers

Rule ID: SV-29198r1_rule

Vulnerability ID: V-14249

Group Title: TS/RDS - Drive Redirection

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.